sidewall sampling 中文意思是什麼
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Carbonaceous materials used in the production of aluminium - sampling methods - part 2 : sidewall blocks
鋁用炭素材料取樣方法.第2部分:側部炭塊 -
Carbonaceous materials used in the production of aluminium - sampling plans and sampling from individual units - sidewall blocks
鋁生產用碳素材料.單個材料的取樣方案和取樣.側壁塊
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